Finding the Fourth Proportional to 313,370.22, 432,477.68 and 177,428.13
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Solution
The fourth proportional to 313,370.22, 432,477.68 and 177,428.13 is: 244,865.97
Step by Step Solution
- Step 1: Write the proportion equation
313,370.22 : 432,477.68 = 177,428.13 : x - Step 2: Convert to fraction form
313,370.22/432,477.68 = 177,428.13/x - Step 3: Cross multiply
313,370.22x = 432,477.68 × 177,428.13 - Step 4: Simplify right side
313,370.22x = 76,733,703,520.21 - Step 5: Solve for x
x = 76,733,703,520.21/313,370.22 - Step 6: Final answer
x = 244,865.97
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.